Home / 34,475.82-47,579.40-20,140.26

Finding the Fourth Proportional to 34,475.82, 47,579.40 and 20,140.26

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Solution

The fourth proportional to 34,475.82, 47,579.40 and 20,140.26 is: 27,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.82 : 47,579.40 = 20,140.26 : x
  2. Step 2: Convert to fraction form
    34,475.82/47,579.40 = 20,140.26/x
  3. Step 3: Cross multiply
    34,475.82x = 47,579.40 × 20,140.26
  4. Step 4: Simplify right side
    34,475.82x = 958,261,486.64
  5. Step 5: Solve for x
    x = 958,261,486.64/34,475.82
  6. Step 6: Final answer
    x = 27,795.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.